Simultaneous Ferroelectricity and Ferroelasticity of Gd2(MoO4)3

Aizu, Kêitsirô; Kumada, Akio; Yumoto, Hisami; Ashida, Sakichi

doi:10.1143/jpsj.27.511

Cited by 135 publications

(39 citation statements)

References 2 publications

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“…We can clearly see that the components a and c start to decrease around 338 K and become zero above T c . We can also obtain the temperature dependence of the spontaneous strain x s from the components a and c of the spontaneous strain tensor using the following equation [18],…”

Section: Resultsmentioning

confidence: 99%

Proton conductivity and spontaneous strain below superprotonic phase transition in Rb3H(SeO4)2

et al. 2005

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Section: Resultsmentioning

confidence: 99%

Proton conductivity and spontaneous strain below superprotonic phase transition in Rb3H(SeO4)2

et al. 2005

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“…27) The ¢B-Gd 2 (MoO 4 ) 3 phase has the value of T c = 163°C. 28) It should be emphasized that the crystalline phase formed through the crystallization of GMB glass is the ferroelectric ¢B-Gd 2 (MoO 4 ) 3 phase, but not the paraelectric ¡-Gd 2 (MoO 4 ) 3 phase. In Fig.…”

Section: Methodsmentioning

confidence: 99%

Magnetism of β′-Gd2(MoO4)3 and photoluminescence of β′-Eu2(MoO4)3 crystallized in rare-earth molybdenum borate glasses

Wang

Honma

Doi

et al. 2013

J. Ceram. Soc. Japan

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Ferroelastic ¢¤-Gd 2 (MoO 4 ) 3 and ¢¤-Eu 2 (MoO 4 ) 3 crystals were synthesized through the crystallization of 21.25Gd 2 O 3 63.75MoO 3 15B 2 O 3 glass and 22.5Eu 2 O 3 47.5MoO 3 30B 2 O 3 glass, respectivelty, and their magnetism and photoluminescence properties were examined. It was demonstrated from the temperature dependence of the magnetic susceptibility and specific heat down to T = 1.8 K that the magnetic state of Gd 3+ ions in the crystallized samples, i.e., in the ¢¤-Gd 2 (MoO 4 ) 3 crystals and the residual glasses, is paramagnetic and any magnetic interaction is not formed among Gd 3+ ions down to T = 1.8 K, i.e., the effective magnetic moment of¯e ff = 7.94¯B and Weiss constant of ª = 0.3 K. Photoluminescence (PL) of Eu 3+ ions was clearly observed in the crystallized samples, although the melt-quenched glass did not show any photoluminescence. The present study proposes that the concentration quenching among Eu 3+ ions in ¢¤-Eu 2 (MoO 4 ) 3 crystals is small and ¢¤-RE 2 (MoO 4 ) 3 crystals would be good hosts for PL emissions of RE 3+ .

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“…We have chosen gadolinium molybdate (GMO) as the first candidate for testing our FXD system since many aspects of the domain-switching process in GMO have been well studied (Aizu, Kumada, Yumato & Ashida, 1969;Smith & Burns, 1969;Kumada, 1969;Cummins, 1970;Jeitschko, 1972).…”

Section: Introductionmentioning

confidence: 99%

Flash X-ray studies of the kinematics of domain switching in gadolinium molybdate single crystals

Rabinovich¹,

Lourie²

1987

Acta Crystallogr Sect B

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The kinematics of domain switching in gadolinium molybdate were used to test the feasibility of studying fast structural changes in crystalline solids by flash X-ray diffraction techniques. Our experiments show the feasibility of detecting the domain switching by flash X-ray diffraction and also indicate the possibility of a quantitative follow-up of the development of the switching process. The switching-time dependence upon the applied electrical field is in good agreement with data reported in the literature, thus proving the reliability of studying these phenomena by flash X-ray diffraction.

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Simultaneous Ferroelectricity and Ferroelasticity of Gd₂(MoO₄)₃

Cited by 135 publications

References 2 publications

Proton conductivity and spontaneous strain below superprotonic phase transition in Rb3H(SeO4)2

Proton conductivity and spontaneous strain below superprotonic phase transition in Rb3H(SeO4)2

Magnetism of β′-Gd<sub>2</sub>(MoO<sub>4</sub>)<sub>3</sub> and photoluminescence of β′-Eu<sub>2</sub>(MoO<sub>4</sub>)<sub>3</sub> crystallized in rare-earth molybdenum borate glasses

Flash X-ray studies of the kinematics of domain switching in gadolinium molybdate single crystals

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